Chemical Bonding and Molecular Structure - Result Question 81

####83. Which one of the following has the shortest carbon carbon bond length ?

[1992]

(a) Benzene

(b) Ethene

(c) Ethyne

(d) Ethane

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Solution:

  1. (c) The bond length decreases in the order sp3>sp2>sp.

Because of the triple bond, the carbon-carbon bond distance in ethyne is shortest.



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